Thermal solar cell design



FIG. 1 is a perspective view of a thermal solar cell design showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a first side view thereof; and,

FIG. 7 is a second side view thereof. 

The ornamental design for thermal solar cell design, as shown and described. 